How many nitrogen bases are needed for one amino acid to be added to the protein during translation?

Which of the following best describes the purpose of the parathyroid hormone? a. it decreases the blood calcium level and decreases blood phosphorus level. b. it decreases the blood calcium level and increases the blood phosphorus level. c. it increases the blood calcium level and increases blood phosphorus level. d. it increases the blood calcium level and decreases blood phosphorus level.

Compare and contrast your sells take in oxygen, water, and food. what is one waste product that leaves your cells?

If a young male's body is just beginning the process of producing sperm, when is it likely that he would ejaculate mature, viable sperm"